<!DOCTYPE html>
<!--
@WIN-DENY:*
@WIN-ALLOW:EVENT_OBJECT_VALUECHANGE*
-->
<html>
<body>
<div id="spinbutton" role="spinbutton" aria-valuenow="1">
</div>
<script>
  function go() {
    document.getElementById('spinbutton').setAttribute('aria-valuenow', '2');
  }
</script>
</body>
</html>
